

import javax.swing.*;
import javax.swing.border.TitledBorder;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.InetAddress;
import java.net.Socket;
public class Client {
    private DefaultBoundedRangeModel dt;
    private JTextArea jta;
    private JTextField jtf_message=new JTextField();
    private JTextField jtf_port=new JTextField("4567");
    private JTextField jtf_max=new JTextField("30");
    private JButton jbt1_start=new JButton("连接");
    private JButton jbt2_stop=new JButton("停止");
    private JButton jbt3_send=new JButton("发送");
    public void createUI(){
        JFrame jf = new JFrame("客户端");
        JPanel northPane = new JPanel();
        northPane.setLayout(new GridLayout(1, 6));
        northPane.add(new JLabel("人数上限"));
        northPane.add(jtf_max);
        northPane.add(new JLabel("端口"));
        northPane.add(jtf_port);
        northPane.add(jbt1_start);
        jbt2_stop.setEnabled(false);
        northPane.add(jbt2_stop);
        northPane.setBorder(new TitledBorder("配置信息"));
        final JList jl=new JList();
        JScrollPane leftpane=new JScrollPane(jl);
        leftpane.setBorder(new TitledBorder("在线用户"));
        jta=new JTextArea();
        jta.setEditable(false);
        JScrollPane rightpane =new JScrollPane(jta);
        rightpane.setBorder(new TitledBorder("消息显示区"));
        JSplitPane centerPane=new JSplitPane(JSplitPane.HORIZONTAL_SPLIT,leftpane,rightpane);
        centerPane.setDividerSize(20);
        centerPane.setDividerLocation(100);
        JPanel southPanel=new JPanel(new BorderLayout());
        southPanel.setBorder(new TitledBorder("写消息"));
        southPanel.add(jtf_message,BorderLayout.CENTER);
        jf.add(northPane,BorderLayout.NORTH);
        jf.add(centerPane,BorderLayout.CENTER);
        jf.add(southPanel,BorderLayout.SOUTH);
        jf.setVisible(true);
        jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        clientEvent();
    }
    private void clientEvent() {
        jbt1_start.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                try {
                    Socket socket=new Socket("localhost",9999);
//                    InputStream in=socket.getInputStream();
//                    BufferedReader bufferedReader=new BufferedReader(new InputStreamReader(in));
//                    String str=bufferedReader.readLine();
//                    jta.append(str);
//                    bufferedReader.close();
//                    in.close();
                    ClientReaderThread clientReaderThread=new ClientReaderThread(socket);
                    new Thread(clientReaderThread).start();
                } catch (IOException e1) {
                    e1.printStackTrace();
                }
            }
        });
    }
    class ClientReaderThread implements Runnable{
        private Socket socket;
        public ClientReaderThread(Socket socket){
            this.socket=socket;
        }
        @Override
        public void run() {

                   try {
                       InputStream in = socket.getInputStream();
                       BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(in));
                       while (true) {
                       String str = bufferedReader.readLine();
                       jta.append("服务器说"+str+"\n");
                       }
//                   bufferedReader.close();
//                   in.close();
                   } catch (IOException e) {
                       e.printStackTrace();
                   }



        }
    }

    public static void main(String[] args) {
        new Client().createUI();
    }
}

